0.049 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.117 * * * [progress]: [2/2] Setting up program.
0.126 * [progress]: [Phase 2 of 3] Improving.
0.127 * [simplify]: Simplifying:
  (- (* x (cos y)) (* z (sin y)))